JP4303604B2 - Lighting control device and lighting fixture - Google Patents

Description

  The present invention relates to a unitized lighting control device and a lighting fixture using the same.

A unitized remote control receiver is well known in Patent Document 1 and the like. According to Patent Document 1, an upper case having a pair of hooking blades on the upper surface, a lower case coupled to the upper case, and a lower case There is disclosed a lighting fixture including a lighting control circuit board that includes a remote control receiving unit that is built in and electrically connected from the hooking blade, and that includes an illuminating lamp that is controlled by the lighting control circuit board of the unit. Further, it is well known in Patent Document 2 and the like that a lighting control means for a fluorescent lamp may be provided instead of the lighting control circuit board formed of the remote control receiving unit of such a unit.
JP 2000-322928 A Japanese Patent Publication No.56-37642

  However, in the unit of Patent Document 1, the coupling means for the upper case and the lower case is unknown. Moreover, the unit of patent document 2 is not a type connected to a hooking rosette. In addition, the hooking rosettes installed on the ceiling surface are roughly divided into two types having different heights. In view of such a situation, the present invention can deal with hooking rosettes having different heights, and even if the upper and lower cases are coupled with screws, there is no risk of injury due to touching the screws during use. The purpose is to provide equipment.

  The present invention is housed in an upper case having a pair of hooking blades on the upper surface, a lower case coupled to the upper case, and a space surrounded by the upper case and the lower case, and is electrically connected from the hooking blade. A lighting control circuit board, wherein a groove is formed on the outer periphery of the upper case, and a screw for connecting the upper case and the lower case is passed through the bottom surface of the groove. The lighting device is configured such that the device is connected and fixed to a hooking rosette installed on the ceiling surface by the hooking blade, and a lighting fixture body is detachably locked to the outer peripheral edge of the lighting control device. The lower surface facing the central hole of the fixture body is equipped with a latching portion that is elastically biased in the center direction, and when the lighting fixture body is pushed up, the latching portion is retracted before the upper case of the lighting control device. On top or in the groove Is a lighting fixture is locked.

  According to the present invention, since the screw that joins the upper case and the lower case constituting the lighting control device is passed through the bottom surface of the groove on the outer periphery of the upper case, there is no possibility that the user may get injured by hooking a finger on the screw. Also, when the lighting fixture body is pushed up with respect to the lighting control device, the locking part retracts, and then it can be locked to the upper surface or groove of the upper case of the lighting control device. it can.

  Next, an embodiment of the present invention will be described. However, this is merely an exemplary embodiment adopted based on the present invention, and the present invention should not be limitedly interpreted based on matters specific to the embodiment. The technical scope of the present invention should be determined based on the matters shown in the claims of the claims and matters substantially equivalent to the matters.

  In the illustrated embodiment, an upper case 2 provided with a pair of hooking blades 1, 1 on the upper surface, a lower case 3 coupled to the upper case 2, and a space surrounded by the upper case 2 and the lower case 3. The lighting control circuit board 4 is housed and electrically connected from the hooking blades 1, 1. A groove 20 is formed on the outer periphery of the upper case 2, and a screw 19 for connecting the upper case 2 and the lower case 3 is provided. The lighting control device is passed through the bottom surface of the groove 20. Further, the lighting control device is connected and fixed to a hooking rosette 22 installed on the ceiling surface 21 by the hooking blades 1 and 1, and a lighting fixture body 25 is detachably locked to the outer peripheral edge of the lighting control device. The lower surface of the luminaire body 25 facing the central hole 45 is provided with a locking portion 46 that is elastically biased by a coil spring (not shown) in the center direction. When it is pushed up, it is a lighting fixture that is locked to the upper surface of the upper case 2 or the groove 20 of the lighting control device after the locking portion 46 is retracted. In FIG. 10, the locking portion 46 is locked to the upper surface of the upper case 2, but when a low-profile round hooking rosette is installed instead of the hooking rosette 22, the lighting control device is Since it is located above the position of FIG. 10, the locking portion 46 is locked in the groove 20. According to such a configuration, the screw 19 that connects the upper case 2 and the lower case 3 constituting the lighting control device is passed through the bottom surface of the groove 20 on the outer periphery of the upper case 2, so that the user puts a finger on the screw 19. There is no risk of being injured by hooking, and when the lighting fixture body 25 is pushed up with respect to the lighting control device, the locking portion 46 is retracted and then the upper surface of the upper case 2 or the groove 20 of the lighting control device. It can be locked and can handle hook rosettes with different heights. Note that the lighting control circuit board 4 may be either a high-frequency lighting circuit board or a remote control receiving circuit board, or both of them may be mounted. The illustrated embodiment is also surrounded by an upper case 2 provided with a pair of conductive hooking blades 1, 1 on the upper surface, a lower case 3 coupled to the upper case 2, and the upper case 2 and the lower case 3. A lighting control circuit board 4 which is a high-frequency lighting circuit board for a fluorescent lamp and is electrically connected from the hooking blades 1 and 1, and the upper case 2 is exposed to the first surface. The lighting control includes a plate 5, a second insulating plate 6 disposed on the lower surface of the first insulating plate 5, and a metal plate 7 sandwiched between the first insulating plate 5 and the second insulating plate 6. The circuit board 4 is a fluorescent lamp lighting control device arranged on the lower surface of the second insulating plate 6 as a unit. Thereby, since the upper case 2 has a sandwich structure of the first insulating plate 5-metal plate 7-second insulating plate 6, the strength is improved. Further, since the second insulating plate 6 is disposed on the upper surface of the lighting control circuit board 4, the internal insulating performance is improved even if the metal plate 7 is provided.

  Further, the plurality of bosses 8 formed on the lower surface of the first insulating plate 5 are respectively positioned in the plurality of recesses 9 formed on the upper surface of the metal plate 7. If it does so, the metal plate 7 can be positioned to the 1st insulating plate 5, and an assembly operation will become easy. Further, the protrusions 10 which are the lower surfaces of the recesses 9 are respectively positioned in a plurality of second recesses 11 formed on the upper surface of the second insulating plate 6. Then, the second insulating plate 6 can be positioned on the metal plate 7 and the assembling work becomes easy. Further, the second protrusions 12 that are the lower surfaces of the second recesses 11 are respectively positioned in the plurality of holes 13 of the lighting control circuit board 4. Then, the lighting control circuit board 4 can be positioned on the second insulating plate 6 and the assembling work becomes easy. A cord 14 electrically connected to the hooking blades 1 and 1 is connected to the lighting control circuit board 4 from the outer peripheral edge of the lighting control circuit board 4 along the upper surface of the metal plate 7. Thereby, the high frequency generated from the lighting control circuit board 4 jumps to the cord 14 and the noise returning from the hooking blades 1 and 1 to the indoor wiring side can be suppressed. Further, the projection 16 formed on the lower surface of the metal plate 7 is inserted into the window hole 15 formed in the second insulating plate 6, and the heat generated by the heat-generating component 17 such as a thin power semiconductor element mounted on the upper surface of the lighting control circuit board 4. The heat is conducted and radiated to the convex portion 16 through an electrically insulating heat conducting cushion member 18. As a result, the heat generated by the heat-generating component 17 housed in the narrow space can be effectively dissipated, so that the temperature rise of the heat-generating component 17 such as a power semiconductor element can be suppressed, and the thermal destruction thereof can be prevented. A screw 19 passed from the outer surface of the first insulating plate 5 is screwed and fixed to the second insulating plate 6 through the side surface of the lower case 3. Then, the first insulating plate 5 and the second insulating plate 6 can be fixed to each other with the metal plate 7 sandwiched by the screws 19, and the upper case 2 and the lower case 3 can be fixed to each other. it can. Further, the screw 19 is passed through the bottom surface of the groove 20 formed on the outer periphery of the first insulating plate 5. Accordingly, there is no risk that the screw 19 will fit in the groove 20 and a fingertip or the like will be caught on the head of the screw 19 to cause damage. In consideration of the case where there is no second insulating plate 6, the screw 19 may be screwed and fixed to the hole on the side surface of the lower case 3.

  And the lighting control apparatus unitized in this way is connected and fixed to the hooking rosette 22 installed in the ceiling surface 21 by rotationally locking the hooking blades 1, 1, A lighting fixture body 25 having a socket 24 connected to a lamp 23 such as a fluorescent lamp is detachably locked, and a lighting output of the lighting control device is connected to the socket 24 via a lead wire 26 so that the lighting fixture is connected. Is configured.

  The illustrated embodiment also includes an upper case 2 provided with a pair of hooking blades 1, 1 on the upper surface, a lower case 3 coupled to the upper case 2, and a space surrounded by the upper case 2 and the lower case 3. And a lighting control circuit board 4 that is a high-frequency lighting circuit board for a fluorescent lamp that is housed and electrically connected from the hooking blades 1 and 1, and the upper surface side of the lighting control circuit board 4 is a solder surface (complexity of the drawing). In order to avoid this, the solder is not shown in the figure, and is arcuately formed by a coil spring 29 or the like and protrudes from the upper surface of the upper case 2 to be placed on the ceiling surface 21 (arc hole as viewed from the lower surface). And a non-rotating member 28 that can be inserted into the non-rotating member 27. A horizontal insulating release member 29 that pushes the non-rotating member 28 downward by orthogonal transformation is provided on the upper surface (solder surface) of the lighting circuit board 4. The operation end is exposed to the outside surface The is a lighting control system. Accordingly, the release member 29 is passed through the upper surface, that is, the solder surface side of the lighting control circuit board 4, and a large number of components 30 such as capacitors, coils, and semiconductors are mounted on the lower surface side of the lighting control circuit board 4. The release member 29 can be passed along the lighting control circuit board 4. It should be noted that soldering and mounting a micro component such as a chip component on the solder surface side does not hinder the release member 29 from passing therethrough. Further, it is preferable not to arrange a solder surface in the vicinity where the release member 29 passes. The release member 29 is guided in the horizontal direction by a plurality of guide portions 31 and 32 formed on the second insulating plate 6 disposed on the lower surface of the upper case 2. Thereby, the stable guide of the cancellation | release member 29 using the 2nd insulating board 6 is attained. Further, by integrally forming the reinforcing ribs 33 in the vertical direction along the lower surface of the release member 29, the portion close to the solder surface of the lighting control circuit board 4 can be made extremely fine.

  The illustrated embodiment also includes an upper case 2 provided with a pair of hooking blades 1, 1 on the upper surface, a lower case 3 coupled to the upper case 2, and a space surrounded by the upper case 2 and the lower case 3. And a lighting control circuit board 4 which is a high-frequency lighting circuit board for a fluorescent lamp which is housed and electrically connected from the hooking blades 1 and 1, and a connector is provided on the lower surface side of the lighting control circuit board 4 via a cradle 34. 35 is a lighting control device in which the connector 35 faces the connector opening 36 of the lower case 3, and the lighting output of the lighting control circuit board 4 is supplied to the connector 35. Thus, since the connector 35 is provided on the lower surface side of the lighting control circuit board 4 via the cradle 34, the lighting control circuit board 4 can be easily housed in the lower case 3 together with the connector 35. Further, the cradle 34 is fixed to the lower case 3 with screws 37a or the like. Thereby, the cradle 34 is stably supported, and the connector 35 is aligned and positioned in the connector opening 36. Further, the lower side of the lower case 3 is formed as a tapered surface 37 whose outer diameter is narrowed downward, and a guide tapered surface that guides the lower outer side of the cradle 34 to the tapered surface 37 correspondingly. 38. Thereby, the guide property of the lower case 3 when the lower case 3 is assembled to the upper case 2 is improved, and the assembly can be facilitated.

  More specifically, the insulating pedestal 40 holding the hooking blades 1, 1 is embedded in the center of the first insulating plate 5, and the pedestal 40 is screwed and fixed to the metal plate 7 with screws 41. The anti-rotation member 28 elastically biased from the bottom surface of the guide portion 31 via the coil spring 29 is passed through the second insulating plate 6, the metal plate 7, and the pedestal 40, and slightly protrudes from the upper surface of the upper case 2. And when attaching this lighting control apparatus to the hooking rosette 22, hold | maintain the lower case 3 by hand, insert the hooking blades 1 and 1 in the circular arc holes 27 and 27 of the hooking rosette 22, and see clockwise from below. Rotate to. This rotation is stopped by the contact between the hooking blades 1, 1 and the end of the arc holes 27, 27. At this time, the projecting portion is slid into and locked to the end of the arc hole 27, thereby Is prevented from falling off the hooking rosette 22. When the lighting control device is removed from the hooking rosette 22, when the tip of the release member 29 is pushed in with a finger, the oblique portion 42 of the inner end of the release member 29 causes the oblique portion 43 of the base portion of the detent member 28 to face downward by orthogonal transformation. Therefore, the locking member 28 and the circular arc hole 27 are unlocked and the lighting control device is rotated counterclockwise. The cradle 34 is lightly engageable with a notch 44 on the outer peripheral edge of the lighting control circuit board 4 in the vicinity of the outer upper end thereof, and the basin 34 is finally fixed by the screw 37a. . The lighting control circuit board 4 is fixed to the lower surface of the second insulating plate 6 with screws or the like. The lower surface of the luminaire body 25 facing the central hole 45 is equipped with a locking portion 46 that is elastically biased in the center direction by a spring (not shown), and when the luminaire body 25 is pushed up, the locking portion 46 is once retracted. It is locked to the upper surface of the fluorescent lamp lighting device, that is, the upper surface of the upper case 2. The luminaire main body 25 is removed by pushing the knob 47 connected to the outside of the locking portion 46 outward to displace the locking portion 47 outward. A glove 48 is detachably attached to the lower surface of the lighting fixture body 25. In addition, when a round hooking rosette having a low height is installed instead of the hooking rosette 22, the locking portion 46 is locked in the groove 20.

(A) Top perspective view during assembly showing an embodiment of the present invention, (B) Same bottom perspective view Sectional view during assembly Bottom perspective view during disassembly Top perspective view during disassembly 3 is a bottom perspective view when disassembled as viewed from the side opposite to FIG. Bottom perspective view when the same part is disassembled Top perspective view when the same part is disassembled Top perspective view of the same part Top perspective view just before assembly Sectional view of the luminaire showing the use state

Explanation of symbols

1 hook blade 2 upper case 3 lower case 4 lighting control circuit board 5 first insulating plate 6 second insulating plate 7 metal plate 8 boss 9 recessed portion 10 protruding portion 11 second recessed portion 12 second protruding portion 13 hole 14 code 15 window hole Reference Signs List 16 Projection 17 Heat-generating component 18 Heat conduction cushion member 19 Screw 20 Groove 21 Ceiling surface 22 Hooking rosette 23 Lamp 24 Socket 25 Lighting fixture body 26 Lead wire 27 Arc hole 28 Non-rotating member 29 Release member 30 Parts 31, 32 Guide portion 33 Reinforcement Rib 34 Receiving base 35 Connector 36 Connector opening 37 Tapered surface 37a Screw 38 Guide tapered surface

Claims (2)

  An upper case provided with a pair of hooking blades on the upper surface, a lower case coupled to the upper case, and a lighting control circuit housed in a space surrounded by the upper case and the lower case and electrically connected from the hooking blades A lighting control device comprising a substrate, wherein a groove is formed on an outer periphery of the upper case, and a screw for connecting the upper case and the lower case is passed through a bottom surface of the groove.   The lighting control device according to claim 1, wherein the lighting control device is connected and fixed to a hooking rosette installed on a ceiling surface by the hooking blade, and a lighting fixture body is detachably locked to an outer peripheral edge of the lighting control device. The lower surface of the luminaire body facing the central hole is equipped with a latching portion that is elastically biased in the center direction. When the luminaire body is pushed up, the latching portion is retracted and the lighting is performed. The lighting fixture latched by the upper surface or the said groove | channel of the said upper case of a control apparatus.

Images